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Explore Class 10 Computer Science past and model questions by chapter, year, marks and question type.
153 questions found
Which Python function is used to find the number of items in a list?
count()
length()
size()
len()
What is network topology? Differentiate between star and bus topology.
Which technology allows users to store and access files through internet-based servers?
Cloud Computing
Virtual Reality
Bluetooth
GPS
What is a computer network? Explain the following types of networks based on geographical coverage:
a. PAN
b. LAN
c. MAN
d. WAN
Which of the following is a valid example of a database management system?
MySQL
Python
Photoshop
VLC Player
Which of the following is an example of a full-duplex communication mode?
Walkie-talkie
Television broadcasting
Telephone conversation
Keyboard to computer
What is the purpose of the ORDER BY clause in SQL? Write one example.
Which of the following is an important principle for responsible use of AI?
Sharing private data freely
Using AI without verification
Protecting user privacy
Ignoring AI-generated errors
Modern technologies such as AI, IoT, cloud computing, and VR are becoming common in daily life.
a. What is IoT?
b. Explain any two applications of IoT.
c. What is cloud computing?
d. Mention one advantage and one ethical concern related to the use of AI.
Which multimedia element is mainly responsible for presenting spoken explanations or background music?
Text
Audio
Graphics
Animation
Which SQL clause is used to filter records according to a specified condition?
ORDER BY
GROUP BY
WHERE
SELECT
What is a relational database? Mention any two features of a relational database.
Consider the following table named Student:
Student_ID | Name | Class | GPA |
|---|---|---|---|
201 | Anil | 10 | 3.45 |
202 | Sarita | 10 | 3.80 |
203 | Rohan | 10 | 3.20 |
Answer the following:
a. Which field should be the primary key? Why?
b. Write an SQL command to display students having GPA greater than 3.40.
c. Write an SQL command to change Rohan's GPA to 3.50.
d. Write an SQL command to display all students in descending order of GPA.
What is a communication medium? Explain the following types of communication media with examples:
a. Twisted pair cable
b. Coaxial cable
c. Optical fiber
d. Radio wave
Study the following Python program and answer the questions:
def check_number(n):
if n > 0:
return "Positive"
elif n < 0:
return "Negative"
else:
return "Zero"
num = int(input("Enter a number: "))
print(check_number(num))a. What is the name of the user-defined function?
b. What is the parameter of the function?
c. What will be the output if the user enters -8?
d. Rewrite the function to return "Even" if the number is even and "Odd" if it is odd.
Which SQL command is used to remove selected records from a table?
DROP
DELETE
REMOVE
ALTER
Consider the following table named Employee:
Emp_ID | Name | Department | Salary |
|---|---|---|---|
101 | Riya | IT | 35000 |
102 | Sagar | HR | 30000 |
103 | Nabin | IT | 40000 |
Answer the following:
a. Which field should be used as the primary key? Give a reason.
b. Write an SQL command to display the names of employees working in the IT department.
c. Write an SQL command to increase Nabin's salary to 45000.
d. Write an SQL command to add a new employee with ID 104, name "Mina", department "Finance", and salary 32000.
Which device is used to regenerate weak signals in a network?
Router
Switch
Repeater
Gateway
Which protocol is mainly used for transferring web pages between a web browser and a web server?
FTP
HTTP
SMTP
POP3
What is Machine Learning? Mention any two applications of Machine Learning.